The constancy of the ratio of the molecular hydrogen lines at 3.8 microns in Orion

Details The constancy of the ratio of the molecular hydrogen lines at 3.8 microns in Orion The constancy of the ratio of the molecular hydrogen lines at 3.8 microns in Orion

Feb 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989mnras.236..929b&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 236, Feb. 15, 1989, p. 929-934.

Astronomy and Astrophysics

Astronomy

49

Hydrogen Clouds, Infrared Astronomy, Interstellar Gas, Orion Nebula, Molecular Flow, Signal To Noise Ratios

Scientific paper

The 1-0 O(7) and 0-0 S(13) lines of H2, at 3.807 and 3.846 microns, have been mapped over the region of the Orion molecular outflow. The intensity ratio of these lines is found to be independent of position in the outflow. From this it is inferred that the structure of the shocks and their cooling flows in Orion may be more akin to hydrodynamic shocks than the low-temperature C-shocks that are currently favored.

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